Home / 8,890.18-13,320.66-3,043.60

Finding the Fourth Proportional to 8,890.18, 13,320.66 and 3,043.60

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Solution

The fourth proportional to 8,890.18, 13,320.66 and 3,043.60 is: 4,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.18 : 13,320.66 = 3,043.60 : x
  2. Step 2: Convert to fraction form
    8,890.18/13,320.66 = 3,043.60/x
  3. Step 3: Cross multiply
    8,890.18x = 13,320.66 × 3,043.60
  4. Step 4: Simplify right side
    8,890.18x = 40,542,760.78
  5. Step 5: Solve for x
    x = 40,542,760.78/8,890.18
  6. Step 6: Final answer
    x = 4,560.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.